Packages
igniter
0.7.1
0.8.2
0.8.1
0.8.0
0.7.9
0.7.8
0.7.7
0.7.6
0.7.5
0.7.4
0.7.3
0.7.2
0.7.1
0.7.0
0.6.30
0.6.29
0.6.28
0.6.27
0.6.26
0.6.25
0.6.24
0.6.23
0.6.22
0.6.21
0.6.20
0.6.19
0.6.18
0.6.17
0.6.16
0.6.15
0.6.14
0.6.13
0.6.12
0.6.11
0.6.10
0.6.9
0.6.8
0.6.7
0.6.6
0.6.5
0.6.4
0.6.3
0.6.2
0.6.1
0.6.0
0.5.52
0.5.51
0.5.50
0.5.49
0.5.48
0.5.47
0.5.46
0.5.45
0.5.44
0.5.43
0.5.42
0.5.41
0.5.40
0.5.39
0.5.38
0.5.37
0.5.36
0.5.35
0.5.34
0.5.33
0.5.32
0.5.31
0.5.30
0.5.29
0.5.28
0.5.27
0.5.26
0.5.25
0.5.24
0.5.23
0.5.22
0.5.21
0.5.20
0.5.19
0.5.18
0.5.17
0.5.16
0.5.15
0.5.14
0.5.13
0.5.12
0.5.11
0.5.10
0.5.9
0.5.8
0.5.7
0.5.6
0.5.5
0.5.4
0.5.3
0.5.2
0.5.1
0.5.0
0.4.8
0.4.7
0.4.6
0.4.5
0.4.4
0.4.3
0.4.2
0.4.1
0.4.0
0.3.78
0.3.77
0.3.76
0.3.75
0.3.74
0.3.73
0.3.72
0.3.71
0.3.70
0.3.69
0.3.68
0.3.67
0.3.66
0.3.65
0.3.64
0.3.63
0.3.62
0.3.61
0.3.60
0.3.59
0.3.58
0.3.57
0.3.56
0.3.55
0.3.54
0.3.53
0.3.52
0.3.51
0.3.50
0.3.49
0.3.48
0.3.47
0.3.46
0.3.45
0.3.44
0.3.43
0.3.42
0.3.41
0.3.40
0.3.39
0.3.38
0.3.37
0.3.36
0.3.35
0.3.34
0.3.33
0.3.32
0.3.31
0.3.30
0.3.29
0.3.28
0.3.27
0.3.26
0.3.25
0.3.24
0.3.23
0.3.22
0.3.21
0.3.20
0.3.19
0.3.18
0.3.17
0.3.16
0.3.15
0.3.14
0.3.13
0.3.12
0.3.11
0.3.10
0.3.9
0.3.8
0.3.7
0.3.6
0.3.5
0.3.4
0.3.3
0.3.2
0.3.1
0.3.0
0.2.13
0.2.12
0.2.11
0.2.10
0.2.9
0.2.8
0.2.7
0.2.6
0.2.5
0.2.4
0.2.3
0.2.2
0.2.1
0.2.0
0.1.8
0.1.7
0.1.6
0.1.5
0.1.4
0.1.3
0.1.2
0.1.1
0.1.0
A code generation and project patching framework
Current section
Files
Jump to
Current section
Files
lib/igniter/refactors/elixir.ex
# SPDX-FileCopyrightText: 2024 igniter contributors <https://github.com/ash-project/igniter/graphs.contributors>
#
# SPDX-License-Identifier: MIT
defmodule Igniter.Refactors.Elixir do
@moduledoc "Refactors for changes in Elixir"
@bool_operators [
:>,
:>=,
:<,
:<=,
:in
]
@guards [
:is_atom,
:is_boolean,
:is_nil,
:is_number,
:is_integer,
:is_float,
:is_binary,
:is_map,
:is_struct,
:is_non_struct_map,
:is_exception,
:is_list,
:is_tuple,
:is_function,
:is_reference,
:is_pid,
:is_port
]
@spec unless_to_if_not(Igniter.t()) :: Igniter.t()
def unless_to_if_not(igniter) do
Igniter.update_all_elixir_files(igniter, fn zipper ->
# TODO: remap references in addition to calls
Igniter.Code.Common.update_all_matches(
zipper,
fn zipper ->
Igniter.Code.Function.function_call?(zipper, :unless, 2)
end,
fn zipper ->
with {:ok, zipper} <-
Igniter.Refactors.Rename.do_rename(
zipper,
{Kernel, :unless},
{Kernel, :if},
2
),
{:ok, zipper} <- Igniter.Code.Function.move_to_nth_argument(zipper, 0) do
new_node =
case zipper.node do
{:in, meta, [l, r]} ->
{:not, meta, [{:in, [], [l, r]}]}
{:==, meta, [l, r]} ->
{:!=, meta, [l, r]}
{:!=, meta, [l, r]} ->
{:==, meta, [l, r]}
{:===, meta, [l, r]} ->
{:!==, meta, [l, r]}
{:!==, meta, [l, r]} ->
{:===, meta, [l, r]}
{neg, _, [condition]} when neg in [:!, :not] ->
condition
{op, _, [_, _]} when op in @bool_operators ->
{:not, [], [zipper.node]}
{guard, _, [_ | _]} when guard in @guards ->
{:not, [], [zipper.node]}
_ ->
{:!, [], [zipper.node]}
end
{:ok,
Igniter.Code.Common.replace_code(
zipper,
new_node
)}
else
:error ->
{:warning,
"""
Could not update the unless statement:
#{Igniter.Util.Debug.code_at_node(zipper)}
"""}
end
end
)
end)
end
end